CN207831459U - Pneumatic oil fume pump exhaust puts equipment - Google Patents

Abstract

Pneumatic oil fume pump exhaust puts equipment, including smog flow type pump with injection device, the smog flow type pump with injection device is equipped with smoke path, the smog flow type pump with injection device is also connected with compressed air, compressed air changes flow direction through smog flow type pump with injection device, and jet stream to smoke path forms zone of positive pressure in front of compressed air jet direction, rear forms negative pressuren zone, it realizes that oil fume pump exhaust is put, the break-make of compressed air is controlled by the gas signal of acquisition.

Description

Pneumatic oil fume pump exhaust puts equipment

Technical field

The utility model is related to a kind of pneumatic oil fume pump exhaust place system or equipment, belong to the technical field that oil fume pump exhaust is put.

Background technology

With the continuous improvement of present people's quality of life, people are to the electrification of domestic in life, energy-saving, practicability, peace Quan Xing, aesthetics have very high requirement, the common kitchen ventilator necessarily even commercial restaurant of every household during we live The indispensable household electrical appliances that company etc. can need.So existing smoke exhaust ventilator on the market is come by air inlet suction mostly Complete it is lampblack-pumped, these smoke exhaust ventilators in any case it is ever-changing is not all detached from by fan blade come complete smoke evacuation knot Structure.Existing smoke exhaust ventilator blocks unsmooth, the oil smoke pumping efficiency decline that causes to discharge fume using fan blade after a certain period of time is easy, And space is small so that flabellum cleaning is difficult in smoke exhaust ventilator.

To solve the above-mentioned problems, someone devises the smoke exhaust ventilator without flabellum, if notification number is CN203231366U Patent, disclose " a kind of novel no leaf smoke exhaust ventilator ", although which solves the problems, such as without flabellum, but there is also all It is mostly insufficient, although such as can form negative pressure when pressure-air is projected through the narrow annular channel on annular airstream deflector, this and it is common Without the same structure of fan-leaf fan, the negative pressure of formation and draft are simultaneously little, and oil smoke is easy to block narrow annular channel.Its working principle is that Narrow annular channel is bigger, and for the negative pressure value of generation with regard to smaller, narrow annular channel is smaller, and negative pressure value is bigger, and inventor passes through test of many times Obtain data, narrow annular channel negative pressure value in 0.04~0.25mm is maximum, but is easy to be blocked.In addition, this is without leaf smoke pumping The annular airstream deflector of machine cannot be too far from hearth, is easy to influence operation.

Utility model content

In view of problem of the existing technology, the utility model provides a kind of pneumatic oil fume pump exhaust place system and (or sets It is standby).Specifically：

A kind of pneumatic oil fume pump exhaust puts equipment, including smog flow type pump with injection device, and the smog flow type pump with injection device is logical equipped with smog Road, the smog flow type pump with injection device are also connected with compressed air, and compressed air changes flow direction through smog flow type pump with injection device, and jet stream arrives Smoke path forms zone of positive pressure in smoke path, in front of compressed air jet direction, rear forms negative pressuren zone, realization oil smoke Pump drainage is put, and the break-make of compressed air is controlled by the gas signal of acquisition.

In the text, compressed air refers to air relative to daily atmospheric pressure is equal or air pressure bigger, can be in sealed tube Road energy proper flow.

Further, the smoke path forms the adjustable wind-collecting cover of one end link position of negative pressuren zone, in wind-collecting cover It is provided with cooking fume filter.

Further, further include controller.

Further, the break-make and/or flow of controller control compressed air.

Further, the smog flow type pump with injection device includes the smoke path in the middle part of ring-shaped air chamber and ring-shaped air chamber, annular Gas chamber is connect with compressed air source, is provided between ring-shaped air chamber and smoke path and in front of smoke flow direction several The through-hole being tilted a certain angle to smoke flow direction.

Further, negative pressure air duct, the negative pressure air duct length energy are connected between the smoke path and wind-collecting cover It is enough to adjust, it adjusts and is realized by the cylinder being attached thereto.

Further, the negative pressure air duct is folded tube or to pull and push pipe, and wind-collecting cover side wall is connect with cylinder, cylinder with calm the anger Pipeline output end of calming the anger connects and is provided with switching cylinder device.

Further, the pipeline of calming the anger also is connect through flow type pump with injection switching device with the ring-shaped air chamber of smog flow type pump with injection device.

Further, the flow type pump with injection switching device and the control terminal of cylinder switching device and the signal output end of controller Connection, controller signal output are also associated with the methane alarm triggered by methane signal.

Further, the smoke path forms one end connection positive pressure wind pipe of zone of positive pressure, and positive pressure wind pipe connects flue.

The utility model has the advantages that compared with the prior art：

Compressed air is passed through the annular gas of smog flow type pump with injection device by the utility model using compressed air as power source Room comes out using the streamlined small hole injection with certain angle arranged in a ring, expands rapidly and converge and generate height Fast stream is penetrated, and puts to form negative pressuren zone thereafter, and due to the effect of gas continuity and negative pressure, the smog at smog flow type pump with injection device rear is drawn Enter and penetrate to mix with the high velocity stream of compressed air and realizes that the pump drainage of smog is put.

Smog flow type pump with injection device inner space described in the utility model is not easily formed dead angle, and greasy dirt is caused to accumulate, and Easy cleaning.In addition the utility model realizes full automation operation and control, can judge the presence or absence of smog and methane in time And the concentration of smog controls the break-make of compressed air and big to control the keying of the gentle cylinder solenoid valve of injection manifold solenoid valve It is small, exhaust fume collecting hood and smog flow type pump with injection device work is controlled, realizes the automatic-discharging of oil smoke.

The utility model can have the function of CH_4 detection and warning function, can reduce household safe hidden danger.

Description of the drawings

Fig. 1 is that the pneumatic oil fume pump exhaust of the utility model puts the structural schematic diagram of equipment；

Fig. 2 is the structural schematic diagram that pneumatic oil fume pump exhaust shown in FIG. 1 puts the smog flow type pump with injection device in equipment.

In figure：1- smoke sensor devices, 2- methane transducers, 3- negative pressure air ducts, 4- cylinders, 5- cylinder solenoid valves, 6- smog Flow type pump with injection device, 7- solenoid valves, 8- positive pressure wind pipes, 9- controllers, 10- flues, 11- calm the anger pipeline, 12- pressure fans, 13- gas storage Tank, 14- zone of positive pressure, 15- negative pressuren zones, 16- depressing positions, the stowed positions 17-, 18- wind-collecting covers, 19- cooking fume filters, 20- first Alkane alarm.

Specific implementation mode

Specific embodiment of the present utility model is described further in conjunction with attached drawing.

Attached drawing 1 shows a kind of structure of the pneumatic oil fume pump exhaust place system of preferred embodiment according to the present utility model Schematic diagram.The pneumatic oil fume pump exhaust place system includes controller 9, smog flow type pump with injection device 6, solenoid valve 7, cylinder solenoid valve 5, positive pressure Air duct 8, negative pressure air duct 3, wind-collecting cover 18, cooking fume filter 19, cylinder 4, smoke sensor device 1, methane transducer 2 and methane warning Device 20.It is appreciated that components above and be not all necessary to pneumatic oil fume pump exhaust place system, according to actual needs, aforementioned group Part can be omitted partly.For example, if you do not need to corresponding function, smoke sensor device 1 can be omitted.For another example according to reality Border needs, and methane transducer 2, methane alarm can also not have to configuration selectively.In addition, aforementioned components at least can part Ground is substituted.For example, cylinder solenoid valve 5 can be substituted using other components with the same function.For another example wind-collecting cover 18 It can also be substituted with funnelform component using other.

Controller 9 can be PLC controller or other kinds of controller, and controller 9 is for realizing to pump drainage place system In each component monitoring and/or control, the inside position appropriate that controller 9 can be preferably integrated in pump drainage place system.

As shown in Fig. 2, the smog flow type pump with injection device 6 includes the smoke path in the middle part of ring-shaped air chamber and ring-shaped air chamber, Ring-shaped air chamber is connect with compressed air source, is provided between ring-shaped air chamber and smoke path and in front of smoke flow direction Several through-holes being tilted a certain angle to smoke flow direction.The through-hole is streamlined, and each through-hole is integrally arranged in a ring.

Pressure fan 12 is connect with air accumulator 13, and air accumulator 13 is connect with pipeline 11 of calming the anger, and pipeline 11 of calming the anger is through flow type pump with injection device Solenoid valve 7 is connect with smog flow type pump with injection device 6, and the control terminal of injection manifold solenoid valve 7 is connect with the signal output end of controller 9；Cigarette The positive pressure side of mist flow type pump with injection device 6 is connect with positive pressure wind pipe 8, and the negative pressure end of smog flow type pump with injection device 6 is connect with negative pressure air duct 3, negative pressure Air duct 3 is connect with wind-collecting cover 18, and 3 length of negative pressure air duct can be adjusted, and for folded tube or is pulled and pushed pipe, is adjusted by therewith The cylinder 4 of connection realizes that 3 side wall of negative pressure air duct is connect with cylinder 4.Other that can realize reciprocating motion can also be used by adjusting Structure is realized.The input terminal of calming the anger of cylinder solenoid valve 5 is connect with pipeline 11 of calming the anger, and output end of calming the anger is connect with cylinder 4, cylinder electromagnetism The control terminal of valve 5 is connect with the signal output end of controller 9, smoke sensor device 1 and 2 signal output end of methane transducer respectively with 9 signal input part of controller connects.The signal output end of controller 9 is also associated with alarm, such as methane alarm.Exhaust fume collecting hood Cooking fume filter can be arranged in centre, realize the interception of greasy dirt.The injection manifold solenoid valve 7 and cylinder solenoid valve 5, which are used as, to be opened It can be existing conventional solenoid valve to close device, and certainly, the two can also be substituted using other assemblies, as long as other assemblies have There is switching function.

When gas-cooker works and generates smog, smoke sensor device 1 can detect smog, and acquisition information is communicated to control Device 9 processed, controller 9 give 5 signal of cylinder solenoid valve, then cylinder 4 connects air source, begins to decline, wind-collecting cover 18 is transported to by cylinder 4 Depressing position 16 above gas-cooker, rear controller 9 instruct injection manifold solenoid valve 7 to open, and smog flow type pump with injection device 6, which is started to work, to be produced Raw negative pressure, the smog that gas-cooker is generated is through wind-collecting cover 18, negative pressure air duct 3, smog flow type pump with injection device 6, positive pressure wind pipe 8, flue 10 Pump drainage is carried out to oil smoke to put.When gas-cooker is stopped, smog is finished by the suction of flow type pump with injection device, and smoke sensor device 1 collects cigarette Fog signal disappears, and controller 9 gives 5 signal of cylinder solenoid valve, then cylinder 4 cuts off air source, and wind-collecting cover 18 is retracted in cabinet automatically Stowed position 17.

When gas leakage, the main component methane for the combustion gas that methane transducer 2 can detect, similarly, 2 meeting of methane transducer The methane information monitored is transmitted to controller 9, controller 9 can instruct cylinder 4 that wind-collecting cover 18 is transported to specific setting pressure Position 16, then controller 9 can instruct injection manifold solenoid valve 7 open, smog flow type pump with injection device 6 start to work simultaneously generate negative pressure, will The combustion gas of leakage carries out pump drainage and puts, and solves security risk.

The embodiments of the utility model have been described in detail above with reference to the accompanying drawings, but the utility model is not limited to Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from Under the premise of various changes can be made.

Claims (10)

1. a kind of pneumatic oil fume pump exhaust puts equipment, it is characterised in that including smog flow type pump with injection device (6), the smog flow type pump with injection device (6) it is equipped with smoke path, the smog flow type pump with injection device (6) is also connected with compressed air, and compressed air is through smog flow type pump with injection device (6) Change flow direction with jet stream to smoke path, forms zone of positive pressure, pressure in front of the compressed air jet direction in smoke path Contracting air jet direction rear forms negative pressuren zone.

2. pneumatic oil fume pump exhaust according to claim 1 puts equipment, it is characterised in that the smoke path forms negative pressure The adjustable wind-collecting cover of one end link position (18) in area, wind-collecting cover (18) is interior to be provided with cooking fume filter (19).

3. pneumatic oil fume pump exhaust according to claim 1 puts equipment, it is characterised in that further include controller (9).

4. pneumatic oil fume pump exhaust according to claim 2 puts equipment, it is characterised in that controller (9) controls compressed air Break-make and/or flow.

5. putting equipment according to any pneumatic oil fume pump exhausts of claim 1-3, it is characterised in that the smog flow type pump with injection Device (6) includes the smoke path in the middle part of ring-shaped air chamber and ring-shaped air chamber, and ring-shaped air chamber is connect with compressed air source, annular gas It is provided between room and smoke path and in front of smoke flow direction and several to be tilted a certain angle to smoke flow direction Through-hole.

6. pneumatic oil fume pump exhaust according to claim 5 puts equipment, it is characterised in that the smoke path and wind-collecting cover (18) negative pressure air duct is connected between, the negative pressure air duct length can be adjusted, and be adjusted real by the cylinder (4) being attached thereto It is existing.

7. pneumatic oil fume pump exhaust according to claim 6 puts equipment, it is characterised in that the negative pressure air duct is folded tube Or pipe is pulled and pushed, wind-collecting cover (18) side wall is connect with cylinder (4), and cylinder (4) and pipeline of calming the anger (11) input terminal of calming the anger connect and sets It is equipped with switching cylinder device.

8. pneumatic oil fume pump exhaust according to claim 7 puts equipment, it is characterised in that the pipeline of calming the anger (11) also passes through Solenoid valve (7) is connected to the ring-shaped air chamber of smog flow type pump with injection device (6).

9. pneumatic oil fume pump exhaust according to claim 8 puts equipment, it is characterised in that the solenoid valve (7) and cylinder electromagnetism Valve (5) is connect with the signal output end of controller (9), and controller (9) signal output end is also associated with to be triggered by methane signal Methane alarm (20).

10. pneumatic oil fume pump exhaust according to claim 8 puts equipment, it is characterised in that the smoke path forms positive pressure The one end in area connects positive pressure wind pipe, and positive pressure wind pipe is connected to flue (10).